Door knob
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Description
Claims
The ornamental design for a door knob, as shown and described.
Referenced Cited
U.S. Patent Documents
D15754 | January 1885 | Russell, Jr. |
D20555 | March 1891 | Schmidt |
D22755 | August 1893 | Russell |
D106677 | October 1937 | Schlage |
D169551 | May 1953 | Kendrick |
D257216 | October 7, 1980 | Withers et al. |
D257217 | October 7, 1980 | Withers et al. |
D301681 | June 20, 1989 | Jans |
D348602 | July 12, 1994 | Carsello |
D384572 | October 7, 1997 | Ongaro |
D468187 | January 7, 2003 | Corcoran et al. |
D496894 | October 5, 2004 | Liao |
D542115 | May 8, 2007 | Hanna et al. |
D546658 | July 17, 2007 | Singtoroj |
Patent History
Patent number: D580737
Type: Grant
Filed: Oct 10, 2007
Date of Patent: Nov 18, 2008
Assignee: Newfrey LLC (Newark, DE)
Inventor: Yos Singtoroj (Anaheim, CA)
Primary Examiner: Stella M. Reid
Assistant Examiner: Mark A Goodwin
Attorney: Ober/Kaler
Application Number: 29/292,358
Type: Grant
Filed: Oct 10, 2007
Date of Patent: Nov 18, 2008
Assignee: Newfrey LLC (Newark, DE)
Inventor: Yos Singtoroj (Anaheim, CA)
Primary Examiner: Stella M. Reid
Assistant Examiner: Mark A Goodwin
Attorney: Ober/Kaler
Application Number: 29/292,358
Classifications
Current U.S. Class:
D8/312